Feature:1. BLUETOOTH 5.3 CHIP: Bluetooth adapter adopts 5.3 bluetooth chip, supports 7 kinds of devices to connect and run at the same time, the signal is smoother.2. 20M STABLE OUTPUT: Bluetooth USB adapter supports 20m/65.6ft stable output, antenna optimization, longer distance, more stable transmission.3. PLUG AND PLAY: Bluetooth dongle transmitter receiver driver free, plug and play. CD level sound quality, stereo HiFi.4. ANTI INTERFERENCE: Bluetooth dongle adapter responds quickly and is more resistant to interference, say goodbye to intermittent and lagging problems.5. EASY TO CARRY: Bluetooth 5.3 USB adapter with portable design, delicate and compact, can be carried around, very convenient to use.Specification:Item Type: Bluetooth USB AdapterMaterial: ABSBluetooth Version: 5.3Support Protocol: A2DP HSP AVRCP HID Etc..Package List:1 xBluetooth USB Adapter1 x Instruction Book